Openings
1,811 openings in the database
Browse the full opening catalog. Search by name or ECO code (e.g. “Najdorf” or “B90”), or filter by volume A–E. Click any opening to see its position on the board and the grandmaster videos played in that line.
Why do so many openings share the same code? (how ECO works)
Every chess opening is filed under one of just 500 ECO codes(A00–E99), grouped into five volumes:
- A — Flank openings (English 1.c4, 1.Nf3, irregular lines)
- B — Semi-open games except the French (Sicilian, Caro-Kann…)
- C — Open games 1.e4 e5 and the French 1.e4 e6
- D — Closed & semi-closed 1.d4 d5 (Queen’s Gambit, Grünfeld…)
- E — Indian defences (Nimzo-Indian, King’s Indian…)
A single code is a family: e.g. C50 covers the whole Italian Game / Giuoco Piano complex, so the Giuoco Piano, Giuoco Pianissimo, Hungarian Defense and Two Knights all live under C50. That’s why one code maps to many named variations — the code is the family, the name is the specific line. ChessEyes shows you both.
A00Amar Opening1 plyA00Amar Opening: Paris Gambit5 plyA00Amsterdam Attack8 plyA00Anderssen's Opening1 plyA00Anderssen's Opening: Polish Gambit3 plyA00Barnes Opening1 plyA00Barnes Opening: Fool's Mate4 plyA00Barnes Opening: Gedult Gambit5 plyA00Barnes Opening: Hammerschlag3 plyA00Clemenz Opening1 plyA00Clemenz Opening: Spike Lee Gambit3 plyA00Creepy Crawly Formation: Classical Defense4 plyA00Formation: Hippopotamus Attack13 plyA00Formation: Shy Attack13 plyA00Global Opening3 plyA00Grob Opening1 plyA00Grob Opening: Alessi Gambit2 plyA00Grob Opening: Double Grob2 plyA00Grob Opening: Grob Gambit3 plyA00Grob Opening: Grob Gambit Declined4 plyA00Grob Opening: Keene Defense6 plyA00Grob Opening: London Defense4 plyA00Grob Opening: Romford Countergambit6 plyA00Grob Opening: Spike5 plyA00Grob Opening: Spike Attack5 plyA00Grob Opening: Zilbermints Gambit5 plyA00Hungarian Opening1 plyA00Hungarian Opening: Asten Gambit10 plyA00Hungarian Opening: Burk Gambit9 plyA00Hungarian Opening: Bücker Gambit5 plyA00Hungarian Opening: Catalan Formation4 plyA00Hungarian Opening: Dutch Defense2 plyA00Hungarian Opening: Indian Defense2 plyA00Hungarian Opening: Myers Defense2 plyA00Hungarian Opening: Pachman Gambit6 plyA00Hungarian Opening: Paris Gambit9 plyA00Hungarian Opening: Reversed Alekhine3 plyA00Hungarian Opening: Reversed Brooklyn Defense7 plyA00Hungarian Opening: Reversed Modern Defense4 plyA00Hungarian Opening: Reversed Norwegian Defense5 plyA00Hungarian Opening: Sicilian Invitation2 plyA00Hungarian Opening: Slav Formation4 plyA00Hungarian Opening: Symmetrical Variation2 plyA00Hungarian Opening: Van Kuijk Gambit4 plyA00Hungarian Opening: Winterberg Gambit7 plyA00Kádas Opening1 plyA00Kádas Opening: Beginner's Trap3 plyA00Kádas Opening: Koola-Koola Variation2 plyA00Kádas Opening: Kádas Gambit3 plyA00Kádas Opening: Myers Variation5 plyA00Kádas Opening: Schneider Gambit2 plyA00Kádas Opening: Steinbok Gambit5 plyA00Lasker Simul Special2 plyA00Mieses Opening1 plyA00Mieses Opening: Myers Spike Attack3 plyA00Mieses Opening: Reversed Rat2 plyA00Mieses Opening: Venezolana Variation5 plyA00Polish Opening1 plyA00Polish Opening: Baltic Defense4 plyA00Polish Opening: Birmingham Gambit2 ply